EP0097476A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Oral compositions
Assignee: Procter and Gamble Co
•
Filing: 1983-06-14
•
Granted: —
•
Expires: 2003-06-14
Abstract
Abstract Disclosed are oral compositions containing particular pyrophosphate salts which provide an anticalculus benefit.
Inventors
- 👤 John Joseph Parran Jr.
- 👤 Nabil Yaqub Sakkab
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-26 21:04
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/19; A61K8/20; A61K8/21; A61K8/24; A61K8/25; A61K8/72; A61K8/73; A61K8/81; A61K8/8141; A61K8/8147; A61P; A61P1/00; A61P1/02; A61Q; A61Q11/00
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
116 words
An oral composition in the form of a mouthwash, liquid dentifrice, or toothpaste characterised by: a) from 0% to 70%, of a dental abrasive selected from calcium pyrophosphate, insoluble metaphosphates, alumina, thermosetting polymerized resins and silica; b) an amount of a fluoride ion source sufficient to supply from 50ppm to 3500ppm of fluoride ions; c) an amount of a pyrophosphate salt selected from dialkali metal and mixtures of dialkali metal and tetraalkali metal pyrophosphate salts sufficient to provide at least 1.5% P 2 O 7 -4 ; and d) water; wherein the pH of the composition is from 6.0 to 10.0 and the composition contains no more than 4.0% K 4 P 2 O 7 .
Claim 2
Dependent Claim
116 words
An oral composition in the form of a mouthwash, liquid dentifrice, or toothpaste characterised by: a) from 0% to 70%, of a dental abrasive selected from calcium pyrophosphate, insoluble metaphosphates, alumina, thermosetting polymerized resins and silica; b) an amount of a fluoride ion source sufficient to supply from 50ppm to 3500ppm of fluoride ions; c) an amount of a pyrophosphate salt selected from dialkali metal and mixtures of dialkali metal and tetraalkali metal pyrophosphate salts sufficient to provide at least 1.5% P 2 O 7 -4 ; and d) water; wherein the pH of the composition is from 6.0 to 10.0 and the composition contains no more than 4.0% K 4 P 2 O 7 .
Claim 3
Dependent Claim
23 words
An oral composition according to Claim 1 in the form of a toothpaste characterized in that the abrasive is a silica dental abrasive.
Claim 4
Dependent Claim
17 words
An-oral composition according to Claim 2 characterised in addition by from 0.1% to 1.0% of a binder.
Claim 5
Dependent Claim
21 words
An oral composition according to any of Claims 1 to 3 characterised in that sodium fluoride is the fluoride ion source.
Claim 6
Dependent Claim
29 words
An oral composition according to any of Claims 1 to 4 characterised in that the pyrophosphate ion is provided by a mixture of disodium pyrophosphate and tetra sodium pyrophosphate.
Claim 7
Dependent Claim
30 words
An oral composition according to any of Claims 1 to 4 characterised in that the pyrophosphate ion is provided by a mixture of disodium pyrophosphate, tetrasodium pyrophosphate and tetrapotassium pyrophosphate.
Claim 8
Dependent Claim
29 words
An oral composition according to any of Claims 1 to 6 which in addition contains up to 10% of a sudsing agent and/or up to 70% of a humectant.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.